Finding the Fourth Proportional to 1,379,088,950.13, 1,903,127,073.44 and 752,568,037.65
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Solution
The fourth proportional to 1,379,088,950.13, 1,903,127,073.44 and 752,568,037.65 is: 1,038,535,336.62
Step by Step Solution
- Step 1: Write the proportion equation
1,379,088,950.13 : 1,903,127,073.44 = 752,568,037.65 : x - Step 2: Convert to fraction form
1,379,088,950.13/1,903,127,073.44 = 752,568,037.65/x - Step 3: Cross multiply
1,379,088,950.13x = 1,903,127,073.44 × 752,568,037.65 - Step 4: Simplify right side
1,379,088,950.13x = 1,432,232,607,053,565,184 - Step 5: Solve for x
x = 1,432,232,607,053,565,184/1,379,088,950.13 - Step 6: Final answer
x = 1,038,535,336.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.